Patents by Inventor Macai Lu
Macai Lu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20210335836Abstract: A photosensitive device comprising a first oxide thin film transistor and a second oxide thin film transistor. Wherein, a drain of the first oxide thin film transistor is electrically connected to a gate of the second oxide thin film transistor. The photosensitive device according to the present application adopts oxide thin film transistors arranged in a plurality of layers, which greatly improves the response amplitude to ambient light and breaks through the limitations of the single thin film transistor's low light response which makes it impossible to be used as a visible light detecting component. Therefore, the photosensitive device according to the present application can realize detection of ambient light and can expand the scope in which it can be applied.Type: ApplicationFiled: May 14, 2019Publication date: October 28, 2021Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Macai LU, Nian LIU
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Publication number: 20210335849Abstract: A thin film transistor (TFT) array substrate includes a substrate layer, wherein a thin film transistor and a capacitor are disposed on the substrate layer and spaced apart from each other, and wherein the thin film transistor includes an active layer made of a metal oxide semiconductor material, and the capacitor includes a semiconductor capacitor electrode made of a metal oxide semiconductor material. The capacitor is coupled to a gate of the thin film transistor, thereby driving the thin film transistor. The TFT array substrate using a novel thin film transistor driving structure, which effectively improves stability of the device.Type: ApplicationFiled: May 17, 2019Publication date: October 28, 2021Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Nian Liu, Macai Lu
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Patent number: 11127934Abstract: Embodiments of the present application provide a method for manufacturing a display panel and a display panel. In the present scheme, a display unit is disposed on a first surface of a base substrate and a sensing unit is disposed on a second surface of the base substrate, which can solve the problems of reducing the aperture ratio of the display panel or lowing the resolution of the display panel caused by integrating the sensing unit and the display unit on the display panel at the same time.Type: GrantFiled: December 27, 2019Date of Patent: September 21, 2021Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Lei Wei, Macai Lu
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Publication number: 20210233899Abstract: A display panel comprises a plurality of light-emitting components, an array substrate, and a driver chip. The array substrate comprises: a base substrate; a plurality of signal lines disposed on a first surface of the base substrate; and a fanout circuit disposed on a second surface of the base substrate; the driver chip is disposed on a second surface side, and is electrically connected to the fanout circuit; a plurality of openings are provided on the array substrate, the plurality of openings are located on an edge of the array substrate and penetrate the array substrate, the array substrate comprises a plurality of electrical connection parts, and the plurality of electrical connection parts are electrically connected to the plurality of signal lines and the fanout circuit.Type: ApplicationFiled: November 21, 2019Publication date: July 29, 2021Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co,. Ltd.Inventor: Macai LU
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Publication number: 20210225928Abstract: A display panel comprises: an array substrate comprising a display area and a trace area located around the display area; a light-emitting layer located in the display area and electrically connected to a first side of the array substrate; a fanout circuit located in the trace area; a fanout circuit base layer disposed between the fanout circuit and the array substrate; and a driver chip located at a second side of the array substrate; wherein the fanout circuit and the fanout circuit base layer are bent from the first side to the second side along a sidewall of the array substrate, the fanout circuit is electrically connected to the array substrate at the first side, and the fanout circuit is electrically connected to the driver chip at the second side.Type: ApplicationFiled: November 15, 2019Publication date: July 22, 2021Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Macai LU
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Publication number: 20210216155Abstract: The disclosure provides a display panel and a manufacturing method thereof. The method includes: forming a main gate and a sub-gate on a glass substrate, wherein at least a portion of the sub-gate includes a light transmissive area; sequentially forming a gate insulating layer, a semiconductor layer, and a second metal layer on the sub-gate, patterning the semiconductor layer to obtain a main active layer and a sub-active layer, and patterning the second metal layer to obtain a main source/drain and a sub-source/drain.Type: ApplicationFiled: November 11, 2019Publication date: July 15, 2021Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Nian LIU, Macai LU, Lei WEN
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Publication number: 20210184182Abstract: Embodiments of the present application provide a method for manufacturing a display panel and a display panel. In the present scheme, a display unit is disposed on a first surface of a base substrate and a sensing unit is disposed on a second surface of the base substrate, which can solve the problems of reducing the aperture ratio of the display panel or lowing the resolution of the display panel caused by integrating the sensing unit and the display unit on the display panel at the same time.Type: ApplicationFiled: December 27, 2019Publication date: June 17, 2021Inventors: Lei WEI, Macai LU
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Patent number: 10545270Abstract: A method of manufacturing a nano metal grating is provided. In the method, a patterned metal oxide film is formed on a surface of the metal layer through the formation of metal oxides in an oxygen ashing process, and the nano metal grating is manufactured by using the patterned metal oxide film as a mask. Thus, a drawback that the metal layer cannot be etched after the metal layer is oxidized is solved, and the metal oxide film is not only used as a mask to manufacture the nano metal grating, but the metal oxide film is also used as a protective layer of the nano metal grating.Type: GrantFiled: November 8, 2017Date of Patent: January 28, 2020Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Jun Hou, Macai Lu
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Patent number: 10510818Abstract: An OLED display device is disclosed, and the metal connection electrode is connected to the auxiliary electrode through a recessed hole; the recessed hole forms a first cavity and a second cavity communicating with each other, and the first cavity extends from an edge line of the second cavity away from the pixel electrode in the same direction; the pixel definition layer is above the array substrate, and reserved with grooves corresponding to the recessed holes and the pixel electrodes; an OLED semiconductor layer on the pixel definition layer covers on the pixel electrode and the metal connection electrode, and also extends into the first cavity to be connected with the auxiliary electrode; a cathode is on the OLED semiconductor layer, and extends into the first cavity to be connected with the auxiliary electrode, and is in a discontinuous connection state with the recessed hole as a breakpoint.Type: GrantFiled: November 29, 2018Date of Patent: December 17, 2019Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Macai Lu
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Patent number: 10505084Abstract: The present invention provides a micro light-emitting-diode display panel and a manufacturing method thereof. The micro light-emitting-diode display panel which presses and fixes the micro light-emitting-diodes into a resin adhesive layer by filling the resin adhesive layer in the pixel groove. Meanwhile, the electrode at the bottom of the micro light-emitting-diode is guided to the top of the micro light-emitting-diode by the connection electrode, making the two electrodes of the micro light-emitting-diode are at the top, to facilitate the connection between the electrodes of the micro light-emitting-diode and the electrode points.Type: GrantFiled: February 18, 2019Date of Patent: December 10, 2019Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Macai Lu
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Publication number: 20190326370Abstract: An OLED display device is disclosed, and the metal connection electrode is connected to the auxiliary electrode through a recessed hole; the recessed hole forms a first cavity and a second cavity communicating with each other, and the first cavity extends from an edge line of the second cavity away from the pixel electrode in the same direction; the pixel definition layer is above the array substrate, and reserved with grooves corresponding to the recessed holes and the pixel electrodes; an OLED semiconductor layer on the pixel definition layer covers on the pixel electrode and the metal connection electrode, and also extends into the first cavity to be connected with the auxiliary electrode; a cathode is on the OLED semiconductor layer, and extends into the first cavity to be connected with the auxiliary electrode, and is in a discontinuous connection state with the recessed hole as a breakpoint.Type: ApplicationFiled: November 29, 2018Publication date: October 24, 2019Inventor: Macai LU
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Patent number: 10424569Abstract: The present invention provides a micro light emitting-diode display panel and a manufacturing method thereof. The first electrode contact and the second electrode contact are alternatively disposed on the base substrate of the micro light-emitting-diode display panel, and the first electrode contact and the second electrode contact are respectively connected with the bottom electrode and the connection electrode of the micro light-emitting-diode. The connection electrode is also connected with the top electrode of the micro light-emitting-diode, and the micro light-emitting-diodes can be immediately inspected after the micro-light-emitting-diode is transferred, to reduce the difficulty of detection and product repair, and to improve the product yield.Type: GrantFiled: February 25, 2019Date of Patent: September 24, 2019Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Macai Lu
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Patent number: 10424750Abstract: A stretchable display panel, a manufacturing method of the stretchable display panel and a stretchable display apparatus are provided. The manufacturing method of the stretchable display panel includes: providing a first substrate; defining a plurality of pixel regions and a plurality of stretchable regions in the first substrate; each stretchable region being located between two adjacent pixel regions; forming a pixel device in each pixel region, and forming a conducting wire connecting two adjacent pixel regions in each stretchable region; wherein a length of the conducting wire is greater than a distance between two adjacent pixel regions. In this way, the stretchable display panel may achieve a great amount of deformation, and the display panel can be bent conveniently.Type: GrantFiled: July 10, 2018Date of Patent: September 24, 2019Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Macai Lu
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Patent number: 10367117Abstract: The present invention provides an apparatus and a method for transferring micro light-emitting diodes. Said apparatus for transferring the micro light-emitting diodes comprises a main body, and a spraying module, a cooling module and a heating module disposed on said main body. The spraying module sprays metallic adhesive liquid onto the micro light-emitting diodes that wait to transfer, the cooling module cools the metallic adhesive liquid on the wait-to-transfer micro light-emitting diodes, thereby curing the metallic adhesive liquid to adhesively bond the main body with the wait-to-transfer micro light-emitting diodes together implementing the transfer of the micro light-emitting diodes, After transferred to reach the position, the cured metallic adhesive liquid is heated by the heating module, thereby melting the metallic adhesive liquid to separate the main body from the wait-to-transfer micro light-emitting diodes.Type: GrantFiled: June 20, 2017Date of Patent: July 30, 2019Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Macai Lu, Jiangbo Yao
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Publication number: 20190207131Abstract: A stretchable display panel, a manufacturing method of the stretchable display panel and a stretchable display apparatus are provided. The manufacturing method of the stretchable display panel includes: providing a first substrate; defining a plurality of pixel regions and a plurality of stretchable regions in the first substrate; each stretchable region being located between two adjacent pixel regions; forming a pixel device in each pixel region, and forming a conducting wire connecting two adjacent pixel regions in each stretchable region; wherein a length of the conducting wire is greater than a distance between two adjacent pixel regions. In this way, the stretchable display panel may achieve a great amount of deformation, and the display panel can be bent conveniently.Type: ApplicationFiled: July 10, 2018Publication date: July 4, 2019Inventor: Macai Lu
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Patent number: 10340365Abstract: A method of manufacturing a thin film transistor is provided, and includes: providing a substrate; depositing a buffer layer and patterning the buffer layer; sequentially depositing an insulation layer and a first metal layer, coating a photoresist on the first metal layer; metal etching the first metal layer; ashing the photoresist; metal etching the first metal layer of the lightly doped region; implanting ions to an active area; and removing the photoresist.Type: GrantFiled: April 8, 2016Date of Patent: July 2, 2019Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOG CO. LTDInventor: Macai Lu
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Publication number: 20190189604Abstract: The present invention provides a micro light emitting-diode display panel and a manufacturing method thereof. The first electrode contact and the second electrode contact are alternatively disposed on the base substrate of the micro light-emitting-diode display panel, and the first electrode contact and the second electrode contact are respectively connected with the bottom electrode and the connection electrode of the micro light-emitting-diode. The connection electrode is also connected the top electrode of the micro light-emitting-diode, and the micro light-emitting-diodes can be immediately inspected after the micro-light-emitting-diode is transferred, to reduce the difficulty of detection and product repair, and to improve the product yield.Type: ApplicationFiled: February 25, 2019Publication date: June 20, 2019Inventor: Macai Lu
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Patent number: 10325942Abstract: The present invention relates to a TFT substrate manufacturing method. The TFT substrate manufacturing method includes: Step 10: applying a first mask-based operation to form a TFT gate electrode pattern on a base plate; Step 20: applying a second mask-based operation to form an active layer pattern and a source/drain metal electrode pattern on the base plate; Step 30: depositing a passivation layer on the base plate, applying a third mask-based operation to define a pixel electrode pattern, conducting etching and photoresist haze operations, and then depositing a pixel electrode; and Step 40: conducting etching or direct photoresist stripping to form the pixel electrode pattern.Type: GrantFiled: July 27, 2016Date of Patent: June 18, 2019Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Macai Lu, Shuli Zhao
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Publication number: 20190181295Abstract: The present invention provides a micro light-emitting-diode display panel and a manufacturing method thereof. The micro light-emitting-diode display panel which presses and fixes the micro light-emitting-diodes into a resin adhesive layer by filling the resin adhesive layer in the pixel groove. Meanwhile, the electrode at the bottom of the micro light-emitting-diode is guided to the top of the micro light-emitting-diode by the connection electrode, making the two electrodes of the micro light-emitting-diode are at the top, to facilitate the connection between the electrodes of the micro light-emitting-diode and the electrode points, which can reduce the difficulty of the electrode bonding of the micro light-emitting-diode, and improve the reliability of the electrode bonding of the micro light-emitting-diode.Type: ApplicationFiled: February 18, 2019Publication date: June 13, 2019Inventor: Macai Lu
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Patent number: 10269974Abstract: The present invention discloses a method of manufacturing array substrate, comprising: A) defining a heavily doped region and a lightly doped region of a source electrode of an N-channel area, and a heavily doped region and a lightly doped region of a drain electrode of the N-channel area by using a first photomask having a first pattern; B) defining a doped region of a source electrode of a P-channel area and a doped region of a drain electrode of the P-channel area by using a second photomask having a second pattern; C) defining a pixel region, a contact hole region by using a third photomask having a third pattern; and D) defining a metal electrode region by using a fourth photomask having a fourth pattern.Type: GrantFiled: April 30, 2015Date of Patent: April 23, 2019Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventor: Macai Lu